DNR News
SC Dept. of Natural Resources
P 0 Box 167
Columbia, SC 29202

Research by Clemson University has shown that growing-season burns are much more effective at killing undesirable hardwoods, roots and all, than dormant season burns, which may kill some hardwoods, but usually only injure the aboveground portion of the tree (top-kill), leaving the rootstock to re-sprout.